diff --git a/src/bullet/src/BulletCollision/BroadphaseCollision/btQuantizedBvh.h b/src/bullet/src/BulletCollision/BroadphaseCollision/btQuantizedBvh.h
index 99c72272b..8efae2706 100644
--- a/src/bullet/src/BulletCollision/BroadphaseCollision/btQuantizedBvh.h
+++ b/src/bullet/src/BulletCollision/BroadphaseCollision/btQuantizedBvh.h
@@ -41,7 +41,21 @@ class btSerializer;
 #define btQuantizedBvhDataName "btQuantizedBvhFloatData"
 #endif
 
-
+#ifdef __GNUC__
+#include <stdint.h>
+#elif defined(_MSC_VER)
+typedef __int32 int32_t;
+typedef __int64 int64_t;
+typedef __uint16 uint16_t;
+typedef __int8 int8_t;
+typedef unsigned __int32 uint32_t;
+typedef unsigned __int64 uint64_t;
+#else
+typedef int int32_t;
+typedef long long int int64_t;
+typedef unsigned int uint32_t;
+typedef unsigned long long int uint64_t;
+#endif
 
 //http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclang/html/vclrf__m128.asp